package com.liang.book.mapper;

import com.liang.book.model.UserInfo;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;
import org.springframework.stereotype.Service;

@Mapper
public interface UserMapper {
    @Select ("select * from user_info where delete_flag = 0 and user_name = #{userName}")
    UserInfo queryUserByName(String userName);
}
